Influence of pulverized coal properties on heat release region in turbulent jet pulverized coal flames

Experimental Thermal and Fluid Science

Volumn 35, Issue 4, 2011, Pages 694-699

  Sung, Yon mo ^a   Moon, Cheor eon ^a   Kim, Jong ryul ^a   Kim, Sung chul ^b   Kim, Tea hyung ^b   Seo, Sang il ^b   Choi, Gyung min ^a   Kim, Duck jool ^a  

^a Pusan National University   (South Korea)

^b Korea Electric Power Research Institute (KEPRI)   (South Korea)

Author keywords

Chemiluminescence intensity; Heat release region; Point measurement; Pulverized coal combustion; Two dimensional visualization; Volatile matter

Indexed keywords

CHEMILUMINESCENCE INTENSITY; HEAT RELEASE; POINT MEASUREMENT; PULVERIZED COAL COMBUSTION; TWO-DIMENSIONAL VISUALIZATION; VOLATILE MATTER;

CHEMILUMINESCENCE; COAL; COAL INDUSTRY; MOISTURE; MOISTURE DETERMINATION; PARTICLE SIZE; TWO DIMENSIONAL; VISUALIZATION;

COAL COMBUSTION;

EID: 79951922223     PISSN: 08941777     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.expthermflusci.2011.01.003     Document Type: Article

References (35)

1. Smoot L.D., Smith P.J. Coal Combustion and Gasification 1985, Plenum Press, New York.
2. Williams A., Pourkashanian M., Jones J.M. Combustion of pulverized coal and biomass. Prog. Energy Combust. Sci. 2001, 27:587-610.
3. Katalambula H., Hayashi J., Kitano K., Chiba T. Modeling of effects of volatile matter cloud on heterogeneous ignition of single coal particles. J. Chem. Eng. Jpn. 2000, 33:49-56.
4. Katalambula H., Hayashi J., Chiba T. Dependence of single coal particle ignition mechanism on the surrounding volatile matter cloud. Energy Fuels 1997, 11:1033-1039.
5. Kurose R., Tsuji H., Makino H. Effects of moisture in coal on pulverized coal combustion characteristics. Fuel 2001, 80:1457-1465.
6. Zhao Y., Kim H.Y., Yoon S.S. Transient group combustion of the pulverized coal particles in spherical cloud. Fuel 2007, 86:1102-1111.
7. Annamalai K., Ryan W., Dhanapalan S. Interactive processes in gasification and combustion part III: coal/char particle arrays, streams and clouds. Prog. Energy Combust. Sci. 1994, 20:487-618.
8. Saxena S.C. Devolatilization and combustion characteristics of coal particles. Prog. Energy Combust. Sci. 1990, 16:55-94.
9. 2 combustion. Fuel 2007, 86:2008-2015.
10. Wendt J.O.L. Fundamental coal combustion mechanisms and pollutant formation in furnaces. Prog. Energy Combust. Sci. 1980, 6:201-222.
11. Zhu M., Zhang H., Tang G., Liu Q., Lu J., Yue G., Wang S., Wan S. Ignition of single coal particle in a hot furnace under normal- and micro-gravity condition. Proc. Combust. Inst. 2009, 32:2029-2035.
12. Timothy L.D., Sarofim A.F., Beer J.M. Characteristics of single particle coal combustion. Proc. Combust. Inst. 1982, 19:1123-1130.
13. Gieras M., Klemens R., Wolanski P., Wojcicki S. Experimental and theoretical investigation into the ignition and combustion processes of single coal particles under zero and normal gravity conditions. Proc. Combust. Inst. 1986, 21:315-323.
14. Mclean W.J., Hardesty D.R., Pohl J.H. Proc. Direct observations of devolatilizing pulverized coal particles in a combustion environment. Combust. Inst. 1981, 18:1239-1248.
15. Kobayashi H., Howard J.B., Sarofim A.F. Coal devolatilization at high temperatures. Proc. Combust. Inst. 1977, 16:411-425.
16. Howard J.B., Essenhigh R.H. Mechanism of solid-particle combustion with simultaneous gas-phase volatiles combustion. Proc. Combust. Inst. 1967, 11:399-408.
17. Yu J., Zhang M., Zhang J. Experimental and numerical investigations on the interactions of volatile flame and char combustion of a coal particle. Proc. Combust. Inst. 2009, 32:2037-2042.
18. Choi S.M. Observation of volatile cloud formation during the early stages of pulverized coal combustion. KSME Int. J. 1990, 4:71-77.
19. Seeker W.R., Samuelsen G.S., Heap M.P., Trolinger J.D. The thermal decomposition of pulverized coal particles. Proc. Combust. Inst. 1981, 18:1213-1226.
20. Ballester J., García-Armingol T. Diagnostic techniques for the monitoring and control of practical flames. Prog. Energy Combust. Sci. 2010, 36:375-411.
21. Gaydon A.G. The Spectroscopy of Flames 1974, Wiley, New York. second ed.
22. Docquier N., Belhalfaoui S., Lacas F., Darabiha N. Experimental and numerical study of chemiluminescence in methane/air high-pressure flames for active control applications. Proc. Combust. Inst. 2000, 28:1765-1774.
23. Lacas F., Leroux B., Darabiha N. Experimental study of air dilution in oxy-liquid fuel flames. Proc. Combust. Inst. 2005, 30:2037-2045.
24. Molina A., Shaddix C.R. Ignition and devolatilization of pulverized bituminous coal particles during oxygen/carbon dioxide coal combustion. Proc. Combust. Inst. 2007, 31:1905-1912.
25. Shaddix C.R., Molina A. Particle imaging of ignition and devolatilization of pulverized coal during oxy-fuel combustion. Proc. Combust. Inst. 2009, 32:2091-2098.
26. Akamatsu F., Wakabayashi T., Tsushima S., Katsuki M., Mizutani Y., Ikeda Y., Kawahara N., Nakajima T. The development of a light-collecting probe with high spatial resolution applicable to randomly fluctuating combustion fields. Meas. Sci. Technol. 1999, 10:1240-1246.
27. Hwang S.M., Kurose R., Akamatsu F., Tsuji H., Makio H., Katauki M. Observation of detailed structure of turbulent pulverized-coal flame by optical measurement (part 1, time-averaged measurement of behavior of pulverized-coal particles and flame structure). JSME Int. J. B 2006, 49:1316-1327.
28. Hwang S.M., Kurose R., Akamatsu F., Tsuji H., Makio H., Katauki M. Application of optical diagnostics techniques to a laboratory-scale turbulent pulverized coal flame. Energy Fuels 2005, 19:382-392.
29. 4/air flame (wrinkled laminar regime). Thermochim. Acta 2009, 491:109-115.
30. Godoy S.M., Lockwood F.C. Development of a two-colour infrared pyrometer for coal particle temperature measurements during devolatilisation. Fuel 1998, 77:995-999.
31. 2 mixtures in drop-tube furnace. Fuel 2010, 89:2703-2712.
32. Binner E., Zhang L., Li C., Bhattacharya S. In-situ observation of the combustion of air-dried and wet Victorian brown coal. Proc. Combust. Inst. 2011, 33:1739-1746.
33. Tsuji H., Gupta A.K., Hasegawa T., Katsuki M., Kishimoto K., Morita M. High Temperature Air Combustion: From Energy Conservation to Pollution Reduction 2003, CRC Press, LLC.
34. Bosoaga A., Panoiu N., Mihaescu L., Backreedy R.I., Ma L., Pourkashnian M., Williams A. The combustion of pulverized low grade lignite. Fuel 2006, 85:1591-1598.
35. Asay B.W., Smoot L.D., Hedman P.O. Effect of coal moisture on burnout and nitrogen oxide formation. Combust. Sci. Technol. 1983, 35:15-31.